* {
    margin: 0px;
    padding: 0px;
    cursor: pointer;
}

body,
html {
    height: 100%;
}

.container {
    display: flex;
    height: 100%;
}

.left {
    width: 20%;
    height: 100%;
    border-right: 1px solid #eee;
}

.left .add_article ,.go-last{
    height: 50px;
    width: 100%;
    text-align: center;
    line-height: 50px;
    color: white;
    background-color: rgb(220, 118, 97, 0.7);
}

.left .control_article {
    height: 50px;
    text-align: center;
    color: white;
    line-height: 50px;
    width: 100%;
    background-color: rgb(220, 118, 97, 0.7);
}

.active {
    background-color: rgb(220, 118, 97, 1) !important;
}

.right {
    width: 80%;
    height: 100%;
    position: relative;
}

.right .article {
    height: 100%;
    width: 100%;
    display: flex;
    flex-direction: column;
    position: absolute;
    z-index: 0;
}

.right .article .input_title {
    height: 40px;
    border: none;
    outline: none;
    border-bottom: 1px solid #eee;
}

.right .article .input_classify {
    height: 40px;
    border: none;
    outline: none;
    border-bottom: 1px solid #eee;
}

.right .article .input_content {
    flex-grow: 1;
    border: none;
    outline: none;
    padding: 10px;
}

.right .article .input_submit {
    height: 40px;
    background-color: transparent;
    border: none;
}

.list {
    position: absolute;
    background-color: white;
    height: 100%;
    width: 100%;
    z-index: 100;
}

.list .list_ul {
    padding: 20px;
}

.list .list_ul .list_item {
    list-style: none;
    border-bottom: 1px solid #eee;
    display: flex;
    justify-content: space-between;
}



.list .list_ul .list_item .item_delete {
    background-color: rgb(220, 118, 97);
    border: none;
    padding: 5px 10px;
    border-radius: 5px;
}